Stability of Democratic Institutions Index in Bulgaria
Bulgaria: Stability of Democratic Institutions Index was 6 in 2025. ▼ Falling
Stability of Democratic Institutions Index in Bulgaria, 2005–2025
Source: Bertelsmann Transformation Index (2026) – processed by Our World in Data.
Analysis
Bulgaria recorded 6 for stability of democratic institutions index in 2025. That is the lowest value across all 11 years on record.
The figure is down 14.3% on the previous year and down 25.0% over ten years.
Over the whole period, stability of democratic institutions index in Bulgaria peaked at 9 in 2005 and was at its lowest, 6, in 2025.
That places Bulgaria 42nd out of 128 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 11 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 9 | 9 | 9 | 3 |
| 2010s | 8.2 | 8 | 8.5 | 5 |
| 2020s | 6.67 | 6 | 7 | 3 |
Countries ranked near Bulgaria
More reference data data for Bulgaria
- Spring temperature anomalies 0.2116 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Temperature anomalies by month 1.39 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.44 °C (2025)
- Winter temperature anomalies 1.98 °C (2025)
- Consumer price index 162.5 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is stability of democratic institutions index in Bulgaria?
- Stability of democratic institutions index in Bulgaria was 6 in 2025, according to Bertelsmann Transformation Index (2026) – processed by Our World in Data.
- What is the highest stability of democratic institutions index recorded in Bulgaria?
- The highest recorded value was 9 in 2005.
- What is the lowest stability of democratic institutions index recorded in Bulgaria?
- The lowest recorded value was 6 in 2025.
- How does Bulgaria rank for stability of democratic institutions index?
- Bulgaria ranks 42nd out of 128 countries with data for 2025.
- Is stability of democratic institutions index rising or falling in Bulgaria?
- Over the last ten years it is down 25.0%. The long-run trend across the full record is falling.
- Where does this Bulgaria data come from?
- The figures come from Bertelsmann Transformation Index (2026) – processed by Our World in Data, published as part of Stability of Democratic Institutions Index. Statizoid updates them automatically from the source API.
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About this data
Indicates the extent to which democratic institutions are effective and efficient and all relevant actors accept them.